ac to dc constant voltage switching power adapter 12v 30w

ac to dc constant voltage switching power adapter 12v 30wProduct Description
1. Product parameters: 2. INPUT REQUIREMENTS:
2.1Operating range: 90-264VAC
2.2 Rated Input Voltage :100-240VAC
2.3Input Frequency Range: 50/60Hz +/-3Hz
2.4Input In-rush Current: 30A max
2.5Input Current: 800mA max
3.OUTPUT REQUIREMENTS:
3.1 Output Voltage and Current No Load
Rating Load (A)
Voltage(V)3.2 Output Voltage Regulation
The total output voltage regulation shall be +/-5%,including the effects of linevoltage variations,load current,ripple and noise,and the AC component of the load current.
3.3 Output Voltage Ripple
The switching power supply shall not exceed the following limits in theindicated voltage for 60Hz or 50Hz ripple,switching frequency ripple and noisemeasured with 20MHz width.
Ripple and Noise:50/60Hz Ripple + Switching Ripple and Noise Ripple and Noise are measured at the end of output cables which are added a
0.1uF(104) Ceramic capacitor and a 22uF Electrolytic capacitor.
4. EFFICIENCY:
When 120VAC line input voltage (100-240VAC),the efficiency shall be >79% at rating load.
5. DIELECTRIC STRENGTH (Hi-Pot) TEST:
Finished product withstands with AC 3000Vrms/50Hz,5mA max,
primary to secondary,1 minute for type test,1 second for production test.
6. INSULATION RESISTANCE:
Primary to secondary: 10MΩmin at 500VDC.
7. PROTECTION:
7.1 Short Circuit Protection
If short circuit occurs,all the output should be protected. After the fault, the adapter automatically recovers.
7.2 Over Shoot
The Output over shoot at turn-on shall not exceed 10% of normal voltage value with or without the load connected.
7.3 Start-up time
The start-up time is less than 2 second.
8.ENVIRonMENTAL CONDITIONS:
8.1 Temperature
Operating temperature: 0℃to +40℃
Storage temperature : -20℃to +60℃
8.2 Humidity
Relative humidity:≤95%
8.3 Operating Ambient Altitude
Altitude:0-3000m
8.4 Operating at the lower temperature
At -0℃,with the rated voltage 100-240Vac charged to the primary and unloaded and full load on thesecondary 8hours, no abnormality in electric and mechanical characteristic, after 2 hours recovery at the roomtemperature.
8.5 Operating at the hightemperature
At +40℃,with the rated voltage 100-240Vac charged to the primary and unloaded and full Loadon thesecondary 8hours, no abnormality in electric and mechanical characteristic, after 2hours recovery at the roomtemperature.
9. COOLING:
Cooling shall be with natural convection cooling.
10.Burn-in
The burn-in test will be performed at least 4 hours at centigrade
degrees under full load Condition.
11.Referenced standard:
11.1 EMI Standards
Reference EN50082-1,EN55022-B,GB-17625.1-2003,GB-9254-1998
11.2 Safety Standards
The adapter shall be meet certified with the following safety standards.
UL61347-1,EN61347-1,GB4943-2001
12. MOUNTING CONNECTORS:
12.1DC Output Cable
Wire : (Optional) UL246820AWG*2C L=1200mmColor: Black
Plug : (Optional)5.5*2.1*10mm
13. MECHANICAL FEATURES:
13.1 Dimension(Size)
Length: 116mm
Width:49mm
Height: 35mm
13.2 Vibration and shock
No Evidence of any mechanical or functional damage after the vibration and shock testing. FrequencySweep
For each axis(X,Y,Z)
Displacement
0.15mm
Periodicity
10
14 . DIAGRAM data:( See to attach the diagram)
14.1. APPEARANCE DRAWING:(Unit:mm)
14.2. DIMENSION OF OUTPUT PLUG & DC CORd:(Unit:mm)
Remarks:
1)UL246820AWG*2C L=1200mmColor: Black
2) PLUG:5.5*2.1*10mmRelated Products
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